NYC-WTC_000188449

NYC 9/11 Public Portal Document

TEM Asbestos (air) Count Sheet Client Name: NYC BOE Volume (liters): 1808 Lab Group #: 7872 Filter Type / Filter Area: MCE 385 mm^ Lab Sample #: 9 Grid Opening Size; 0.01124 CUentSagiDle^ 12 Area Examined; 0.04496 GRID BOX; Magnification: 20 000 GRID ID: Accelerating Voltage: 100 KeV # Grid Openings: 4 Analysis Date; 5/25/02

Analysis Performed By: ROMAN PEYSAKHOV

GO. Structure Structure Type Length ID of Structure N or V EDS No (Nonadh F B C M >=05 M >=5p Chrys Amphibole Nonasb AmbigWD No Coord <5y Elements)

=4^

Struct = >0.5p >5:1 Aspect Ratio Grid acceptance: Positive (faction pattsm properties conforming to <50% undissolved fitter, overlapped or folded Totals laboratory idenSficationcnttna observed <10% partIculatB coverage >50% coverage ate least 20 unftAwd or overtapped gild squares <5% F B C M >5p 'i* EDS spectrum conforming to laboratory holes or opaque areas identificalion criteria observed Chrysotile amphiboles Amphibole F = SingleRber Amosite 6 = Bundle (<3 fibers <1 fiber diameter apart Crocidolite Ambiguous C = Cluster l>3 Intersections) Anthophyllite Non-Asbestos Tremolite M = Matrix Non-Identified Actinolite NSD = No Structures Delected

CITY_21MC100_003080565

NYC-WTC_000188457